CN214992992U - Tunnel bottom plate longitudinal sliding formwork trestle structure - Google Patents

Abstract

The utility model relates to the field of building engineering, aiming at solving the defects of high labor input and time and labor consumption of the existing tunnel bottom plate whole cover film refitting construction mode and solving the problem of blocked passage in a hole in the construction process, the utility model provides a tunnel bottom plate longitudinal sliding formwork trestle structure which comprises a trestle assembly, a bottom plate formwork and a formwork traction system; the trestle assembly comprises a walking device and a trestle main body, and the trestle main body is connected with the walking device; sliding channels are arranged on two sides of the trestle main body, and rollers are respectively arranged on two sides of the bottom plate template and can be matched between the sliding channels on the two sides in a sliding manner through the rollers; the template traction system is arranged on the trestle main body and can pull the bottom plate template to slide back and forth along the sliding channel relative to the trestle main body. The beneficial effects of the utility model are that do not hinder the tunnel in the work progress that the vehicle is current, and can shorten the engineering time greatly.

Description

Tunnel bottom plate longitudinal sliding formwork trestle structure

Technical Field

The utility model relates to a building engineering field particularly, relates to vertical slipform landing stage structure of tunnel bottom plate.

Background

For the refitting construction of the whole cover film of the tunnel bottom plate, the related technology mainly adopts a sample frame construction mode and a die turnover mode.

However, both of these methods have the disadvantages of high labor input, labor and time consumption, and the passage in the hole is blocked during the construction process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vertical slipform landing stage structure of tunnel bottom plate to there is the artifical height of input, the shortcoming that takes a lot of work and time to solve the whole tectorial membrane repacking construction methods of current tunnel bottom plate, and the current obstructed problem in the hole in the work progress.

The embodiment of the utility model is realized like this:

a longitudinal sliding formwork trestle structure of a tunnel bottom plate comprises a trestle assembly, a bottom plate formwork and a formwork traction system;

the trestle assembly comprises a walking device and a trestle main body, and the trestle main body is connected with the walking device and can walk along the extending direction of the tunnel under the driving of the walking device; the upper surface of the trestle main body is a bridge surface capable of passing through, and two sides of the trestle main body are provided with hydraulic supporting legs capable of vertically extending and retracting;

sliding channels are arranged on two sides of the trestle main body, rollers are arranged on two sides of the bottom plate template respectively, and the rollers can be matched between the sliding channels on the two sides in a sliding manner; the template traction system is arranged on the trestle main body and can pull the bottom plate template to slide back and forth relative to the trestle main body along the sliding channel.

When the longitudinal sliding formwork trestle structure of the tunnel bottom plate in the scheme is used, the walking device drives the trestle main body to walk; when walking to the section of pouring, usable both sides hydraulic pressure supporting legs supports in ground, makes landing stage bridge floor can lead to personnel, vehicle or other construction equipment, avoids influencing the interior traffic of hole. After pouring, the bottom plate template can be dragged by the template traction system to slide along the sliding channel to a position away from the surface of the concrete just poured, and the surface of the concrete is manually closed.

The tunnel bottom plate vertical sliding formwork trestle structure in this scheme of adoption does not hinder the tunnel in the vehicle current in the work progress, and can shorten the engineering time greatly, has the beneficial effect that the cost is lower, the structure is reliable, convenient operation, progress are fast, is applicable to water conservancy tunnel horseshoe bottom plate concrete construction.

In one embodiment:

the both ends of landing stage main part are connected with the access bridge respectively, the one end of access bridge with the landing stage main part flushes, the other end slope supports downwards in tunnel ground for landing stage main part about personnel or the vehicle.

In one embodiment:

one end of the approach bridge is hinged to the trestle main body and movably supported on the trestle main body through a driving oil cylinder; the driving oil cylinder can stretch out and draw back to lift up or put down the approach bridge.

In one embodiment:

the trestle main body comprises two main beams, a plurality of cross beams connected between the two main beams and a bridge deck beam supported on the cross beams, wherein the upper surface of the bridge deck is used as the bridge deck.

In one embodiment:

and a winch is arranged on the main beam and used as the template traction system, and the main beam is used for dragging the bottom plate template to slide through a steel wire rope.

In one embodiment:

the sliding channel is formed by channel steel with a horizontal opening;

the bottom plate template is downward arc, and its both ends are provided with the installation riser respectively, the gyro wheel rotate install in the outside of installation riser and roll fit in the channel-section steel.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings referred to in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.

Fig. 1 is a schematic view of a usage state of a longitudinal sliding formwork trestle structure of a tunnel bottom plate in an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a view of FIG. 1 within a tunnel section;

FIG. 4 is a partial structural view of FIG. 3;

fig. 5 is an enlarged view of fig. 4 at a.

Icon: the device comprises a trestle assembly 11, a bottom plate formwork 12, a formwork traction system 13, a walking device 14, a trestle main body 15, a bridge deck 16, hydraulic supporting feet 17, a sliding channel 18, rollers 19, an approach bridge 20, a driving oil cylinder 21, a main beam 22, a cross beam 23, a bridge deck beam 24, a winch 25, an installation vertical plate 26, a tunnel 27 and a vehicle 28.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present embodiment provides a longitudinal sliding formwork trestle structure of a tunnel floor, which includes a trestle assembly 11, a floor formwork 12 and a formwork traction system 13.

The trestle assembly 11 comprises a walking device 14 and a trestle main body 15, and the trestle main body 15 is connected to the walking device 14 and can walk along the extending direction of the tunnel 27 under the driving of the walking device 14; the upper surface of trestle main part 15 sets up to deck 16 that can pass, and the both sides of trestle main part 15 are equipped with the hydraulic support foot 17 that can vertically stretch out and draw back.

Sliding channels 18 are arranged on two sides of the trestle main body 15, rollers 19 are respectively arranged on two sides of the bottom plate template 12, and the rollers 19 can be matched between the sliding channels 18 on the two sides in a sliding way; the template traction system 13 is arranged on the trestle body 15 and can be used for dragging the bottom plate template 12 to slide back and forth along the sliding channel 18 relative to the trestle body 15.

When the longitudinal sliding formwork trestle structure of the tunnel bottom plate in the scheme is used, the walking device 14 drives the trestle main body 15 to walk; when walking to the section of pouring, usable both sides hydraulic pressure supporting legs 17 support in ground, make landing stage bridge floor 16 can lead to personnel, vehicle or other construction equipment, avoid influencing the interior traffic of hole. After pouring, the bottom plate formwork 12 can be pulled by the formwork pulling system 13 to slide along the sliding channel 18 to a position away from the surface of the concrete just poured, and the surface of the concrete is manually closed.

The tunnel bottom plate vertical sliding formwork trestle structure in this scheme of adoption does not hinder the tunnel in the vehicle current in the work progress, and can shorten the engineering time greatly, has the beneficial effect that the cost is lower, the structure is reliable, convenient operation, progress are fast, is applicable to water conservancy tunnel horseshoe bottom plate concrete construction.

In this embodiment, the two ends of the trestle main body 15 are respectively connected with the approach bridges 20, one end of the approach bridge 20 is flush with the trestle main body 15, and the other end of the approach bridge is obliquely and downwardly supported on the tunnel ground for the people or the vehicles 28 to go up and down the trestle main body 15. Optionally, one end of the approach bridge 20 is hinged to the trestle main body 15 and movably supported on the trestle main body 15 by a driving cylinder 21; the drive cylinder 21 can be extended and retracted to raise or lower the approach bridge 20.

In this embodiment, the trestle body 15 includes two main beams 22, a plurality of cross beams 23 connected between the two main beams 22, and a deck 16 beam supported on the cross beams 23 and having an upper surface serving as the deck 16.

In this embodiment, the main beam 22 is provided with a winch 25 as the template dragging system 13, and the bottom template 12 is dragged to slide by a steel wire rope. The slide channels 18 are formed by horizontally open channel steel; the bottom plate template 12 is in a downward arc shape, the two ends of the bottom plate template are respectively provided with an installation vertical plate 26, and the roller 19 is rotatably installed on the outer side of the installation vertical plate 26 and is in rolling fit in the channel steel.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a vertical slipform trestle structure of tunnel floor which characterized in that:

the device comprises a trestle assembly, a bottom plate template and a template traction system;

the trestle assembly comprises a walking device and a trestle main body, and the trestle main body is connected with the walking device and can walk along the extending direction of the tunnel under the driving of the walking device; the upper surface of the trestle main body is a bridge surface capable of passing through, and two sides of the trestle main body are provided with hydraulic supporting legs capable of vertically extending and retracting;

sliding channels are arranged on two sides of the trestle main body, rollers are arranged on two sides of the bottom plate template respectively, and the rollers can be matched between the sliding channels on the two sides in a sliding manner; the template traction system is arranged on the trestle main body and can pull the bottom plate template to slide back and forth relative to the trestle main body along the sliding channel.

2. The longitudinal sliding formwork trestle structure of the tunnel bottom plate according to claim 1, characterized in that:

the both ends of landing stage main part are connected with the access bridge respectively, the one end of access bridge with the landing stage main part flushes, the other end slope supports downwards in tunnel ground for landing stage main part about personnel or the vehicle.

3. The longitudinal sliding formwork trestle structure of the tunnel bottom plate according to claim 2, characterized in that:

one end of the approach bridge is hinged to the trestle main body and movably supported on the trestle main body through a driving oil cylinder; the driving oil cylinder can stretch out and draw back to lift up or put down the approach bridge.

4. The longitudinal sliding formwork trestle structure of the tunnel bottom plate according to claim 1, characterized in that:

the trestle main body comprises two main beams, a plurality of cross beams connected between the two main beams and a bridge deck beam supported on the cross beams, wherein the upper surface of the bridge deck is used as the bridge deck.

5. The longitudinal sliding formwork trestle structure of the tunnel bottom plate according to claim 4, characterized in that:

and a winch is arranged on the main beam and used as the template traction system, and the main beam is used for dragging the bottom plate template to slide through a steel wire rope.

6. The longitudinal sliding formwork trestle structure of the tunnel bottom plate according to claim 1, characterized in that:

the sliding channel is formed by channel steel with a horizontal opening;

the bottom plate template is downward arc, and its both ends are provided with the installation riser respectively, the gyro wheel rotate install in the outside of installation riser and roll fit in the channel-section steel.

Images